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or atomical

[uh-tom-ik] /əˈtɒm ɪk/
of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs:
an atomic explosion.
propelled or driven by atomic energy:
an atomic submarine.
Chemistry. existing as free, uncombined atoms.
extremely minute.
Origin of atomic
1670-80; atom + -ic
Related forms
atomically, adverb
nonatomic, adjective
nonatomical, adjective
nonatomically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for atomically
Historical Examples
  • The coloring material is atomically constituted to act as a temporary disk while the tourist is among us.

    The Instant of Now Irving E. Cox, Jr.
British Dictionary definitions for atomically


of, using, or characterized by atomic bombs or atomic energy: atomic warfare
of, related to, or comprising atoms: atomic hydrogen
extremely small; minute
(logic) (of a sentence, formula, etc) having no internal structure at the appropriate level of analysis. In predicate calculus, Fa is an atomic sentence and Fx an atomic predicate
Derived Forms
atomically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for atomically



1670s as a philosophical term (see atomistic); scientific sense dates from 1811, from atom + -ic. Atomic number is from 1821; atomic mass is from 1848. Atomic energy first recorded 1906 in modern sense (as intra-atomic energy from 1903).

March, 1903, was an historic date for chemistry. It is, also, as we shall show, a date to which, in all probability, the men of the future will often refer as the veritable beginning of the larger powers and energies that they will control. It was in March, 1903, that Curie and Laborde announced the heat-emitting power of radium. [Robert Kennedy Duncan, "The New Knowledge," 1906]
Atomic bomb first recorded 1914 in writings of H.G. Wells, who thought of it as a bomb "that would continue to explode indefinitely."
When you can drop just one atomic bomb and wipe out Paris or Berlin, war will have become monstrous and impossible. [S. Strunsky, "Yale Review," January 1917]
Atomic Age is from 1945. Atomical is from 1640s.

Online Etymology Dictionary, © 2010 Douglas Harper
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atomically in Science
  1. Relating to an atom or to atoms.

  2. Employing nuclear energy.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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